Standard value of rated impulse withstand voltage (U imp )

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4.11 According to the type of terminals

5.3.13 Standard value of rated impulse withstand voltage (U imp )

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BS EN 61008-1:2012+A2:2013 EN 61008-1:2012+A2:2013 (E) – 24 –

BS EN 61008-1:2012+A11:2015 EN 61008-1:2012+A11:2015 (E)

5.2.7 Rated residual making and breaking capacity (IΔm)

The r.m.s. value of the a.c. component of residual prospective current (3.2.3 and 3.4.4), assigned by the manufacturer, which an RCCB can make, carry and break under specified conditions.

The conditions are those specified in 9.11.2.3.

5.2.8 RCCB type S

A time-delay RCCB (see 3.3.11) which complies with the relevant part of Table 1, and Table 2 if applicable.

5.2.9 Operating characteristics in case of residual currents with d.c. components 5.2.9.1 RCCB type AC

An RCCB for which tripping is ensured for residual sinusoidal alternating currents, whether suddenly applied or slowly rising.

5.2.9.2 RCCB type A

An RCCB for which tripping is ensured for residual sinusoidal alternating currents and residual pulsating direct currents, whether suddenly applied or slowly rising.

5.3 Standard and preferred values

5.3.1 values of rated voltage (Un) values of rated voltage are as follows:

}Standard~ }Standard~

RCCB Rated voltage of RCCBs for use in systems 230 V, 230 V/400 V, 400V

Two-pole 230 V

400 V

Three-pole 400 V

Four-pole 400 V ~

}

BS EN 61008-1:2012+A2:2013

EN 61008-1:2012+A2:2013 (E) – 25 – BS EN 61008-1:2012+A11:2015

EN 61008-1:2012+A11:2015 (E)

NOTE In Japan, phase to neutral conductor and phase to earthed conductor (grounded conductor) is thought differently because single phase 2-wire system supplied from 2-wire system source do not have a neutral point.

5.3.2 Preferred values of rated current (In) Preferred values of rated current are

10 – 13 – 16 – 20 – 25 – 32 – 40 – 63 – 80 – 100 – 125 A.

5.3.3 Standard values of rated residual operating current (IΔn) Standard values of rated residual operating current are

0,01 – 0,03 – 0,1 – 0,3 – 0,5 A.

5.3.4 Standard value of residual non-operating current (IΔno) The standard value of residual non-operating current is 0,5 IΔn.

NOTE For residual pulsating direct currents, residual non-operating currents depend on the current delay angle α (see 3.1.4).

5.3.5 Standard minimum value of non-operating overcurrent in case

of a multiphase balanced load through a multipole RCCB (see 3.4.2.1)

The standard minimum value of the non-operating current in case of a multiphase balanced load through a multipole RCCB is 6 In.

5.3.6 Standard minimum value of the non-operating overcurrent in case

of a single-phase load through a three-pole or four-pole RCCB (see 3.4.2.2) The standard minimum value of the non-operating overcurrent in case of a single-phase load through a three-pole or four-pole RCCB is 6 In.

5.3.7

5.3.8 Minimum value of the rated making and breaking capacity (Im)

The minimum value of the rated making and breaking capacity Im is 10 In or 500 A, whichever is the greater.

The associated power factors are specified in Table 19.

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– 1

} ~

}Preferred value of rated frequency~ }The preferred value of rated frequency is 50 Hz.~

BS EN 61008-1:2012+A2:2013 EN 61008-1:2012+A2:2013 (E) – 26 –

BS EN 61008-1:2012+A11:2015 EN 61008-1:2012+A11:2015 (E)

5.3.9 Minimum value of the rated residual making and breaking capacity (IΔm)

The minimum value of the rated residual making and breaking capacity IΔm is 10 In or 500 A, whichever is the greater.

The associated power factors are specified in Table 19.

5.3.10 Standard and preferred values of the rated conditional short-circuit current (Inc) 5.3.10.1 Values up to and including 10 000 A

Up to and including 10 000 A the values of the rated conditional short-circuit current Inc are standard and are

3 000 – 4 500 – 6 000 – 10 000 A.

The associated power factors are specified in Table 19.

5.3.10.2 Values above 10 000 A

For values above 10 000 A up to and including 25 000 A a preferred value is 20 000 A.

The associated power factors are specified in Table 19.

Values above 25 000 A are not considered in this standard.

5.3.11 Standard values of the rated conditional residual short-circuit current (IΔc) 5.3.11.1 Values up to and including 10 000 A

Up to and including 10 000 A the values of the rated conditional residual short-circuit current IΔc are standard and are

3 000 – 4 500 – 6 000 – 10 000 A.

The values of 500 A, 1 000 A and 1 500 A are also standard for RCCBs incorporated in or intended for association with socket-outlets.

The associated power factors are specified in Table 19.

5.3.11.2 Values above 10 000 A

For values above 10 000 A up to and including 25 000 A a preferred value is 20 000 A.

The associated power factors are specified in Table 19.

Values above 25 000 A are not considered in this standard.

5.3.12 Limit values of break time and non-actuating time for RCCB of type AC and A 5.3.12.1 Limit values of break time and non-actuating time for alternating residual

currents (r.m.s. values) for type AC and A

Limit values of break time and non-actuating time for alternating residual currents (r.m.s.

values) for type AC and A RCCB are given in Table 1.

}text deleted~

BS EN 61008-1:2012+A2:2013

EN 61008-1:2012+A2:2013 (E) – 27 – BS EN 61008-1:2012+A11:2015

EN 61008-1:2012+A11:2015 (E)

Table 1 – Limit values of break time and non-actuating time for alternating residual currents (r.m.s. values) for type AC and A RCCB

Limit values of break time and non-actuating time (s) for type AC and A RCCB in event of

alternating residual currents (r.m.s. values) equal to Type In

A IΔn

A IΔn 2 IΔn 5 IΔn 5 IΔn or 0,25 Aa 5 A -

200 Ab 500 A

< 0,03 0,3 0,15 0,04 0,04 0,04

0,03 0,3 0,15 0,04 0,04 0,04

General Any

> 0,03 0,3 0,15 0,04 0,04 0,04

> 0,03 0,5 0,2 0,15 0,15 0,15

Maximum break times

S ≥ 25

> 0,03 0,13 0,06 0,05 0,04 0,04

a Value to be decided by the manufacturer for this test.

b The tests are only made during the verification of the correct operation as mentioned in 9.9.2.4.

5.3.12.2 Maximum values of break time for half-wave residual currents (r.m.s. values) for type A

Maximum values of break time for half-wave pulsating residual currents (r.m.s. values) for type A RCCB are given in Table 2.

Table 2 – Maximum values of break time for half-wave pulsating residual currents (r.m.s. values) for type A RCCB

Maximum values of break time(s) for type A RCCB in event of half-wave pulsating residual currents (rms values) equal to Type In

A

IΔn

A 1,4 IΔn 2 IΔn 2,8 IΔn 4 IΔn 7 IΔn 0,35 A 0,5 A 350 A

< 0,03 0,3 0,15 0,04 0,04

0,03 0,3 0,15 0,04 0,04 General Any

> 0,03 0,3 0,15 0,04 0,04

S ≥ 25 > 0,03 0,5 0,2 0,15 0,15

5.3.13 Standard value of rated impulse withstand voltage (Uimp) }text deleted~

Minimum actuating non-

times

}

~

}Standard value of the rated impulse voltage (Uimp) is 4 kV.~ 5.3.Z1 Standard ranges of ambient air temperature

The standard ranges of ambient air temperature are:

– -5 °C to +40 °C;

– -25 °C to +40 °C~ }

BS EN 61008-1:2012+A2:2013 EN 61008-1:2012+A2:2013 (E) – 28 –

BS EN 61008-1:2012+A11:2015 EN 61008-1:2012+A11:2015 (E)

Table 3 –

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